like they think if they're invited to a housewarming party they have to bring gifts.So maybe if you just want a party, specify no gifts (some people will still bring stuff anyhow).
------- so I'm in a band now:album ---> http://greenwoodburns.bandcamp.com/releasesSoundcloud ---> http://soundcloud.com/greenwood-burnsmy own stuff -->http://soundcloud.com/lonesomedstringbandavy by buckshot_defunct